Question

which fraction represents mary’s biking speed in miles per hour?\\(dfrac{10}{dfrac{1}{2}}\\)\
what is mary’s biking speed in miles per hour?\\(dfrac{10}{dfrac{1}{2}} = \square\\)

Explanation:

Step1: Recall dividing by a fraction rule

Dividing by a fraction is multiplying by its reciprocal. So, $\frac{10}{\frac{1}{2}} = 10\times\frac{2}{1}$.

Step2: Multiply the numbers

$10\times\frac{2}{1}= 20$.

Answer:

20